We've written about <a href="http://www.ofis-a.si/">OFIS</a>' innovative green buildings before, so when they sent us news of their latest project, a prismatic, carbon neutral office campus in Ljubljana, Slovenia, we couldn't wait to get the news to you. Designed for power company <a href="http://www.eles.com/canale.asp?id=185">ELES</a>, the buildings are clad in an aluminum skin that is outfitted with solar panels to collect energy for their everyday operations. Inside, lush greenery thrives in a series of daylit atriums, adding to the modern and eco-friendly vision of the space.

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OFIS Solar Power Offices

Rather than just one building, <a href="http://inhabitat.com/unstudio-unveils-green-roofed-library-of-the-future-for-belgium/">OFIS</a> conceived the offices as a campus or miniature city.

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OFIS Solar Power Offices

While the structures will be formed by concrete shells, they will also be lined with lightweight, aluminum panels that give them a distinctive look.

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OFIS Solar Power Offices

<a href="http://www.inhabitat.com/solar-power">Solar power</a> panels will be integrated into the facade as well.

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OFIS Solar Power Offices

Inside, the building will be primarily comprised of concrete and natural materials such as wood, textiles and aluminum.

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OFIS Solar Power Offices

There will also be workshops within that are designed as prefabricated concrete halls.

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OFIS Solar Power Offices

In order to achieve carbon neutrality, OFIS studied the<a href="http://www.inhabitat.com/energy"> renewable energy </a>sources available in the area and determined which made the most sense to use.

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OFIS Solar Power Offices

The offices make use groundwater (for direct heating and cooling), wind (to improve natural ventilation), and sun (for natural <a href="http://www.inhabitat.com/daylighting">daylighting</a> and the use of solar energy), and rainwater and wastewater are recycled.

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OFIS Solar Power Offices

All ventilation systems are equipped with automatic regulation and control in the room depending on occupancy and room monitoring air quality.

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OFIS Solar Power Offices

They're also linked to a central control system that allows OFIS to tweak it for optimal use.

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OFIS Solar Power Offices

We've written about OFIS' innovative green buildings before, so when they sent us news of their latest project, a prismatic, carbon neutral office campus in Ljubljana, Slovenia, we couldn't wait to get the news to you. Designed for power company ELES, the buildings are clad in an aluminum skin that is outfitted with solar panels to collect energy for their everyday operations. Inside, lush greenery thrives in a series of daylit atriums, adding to the modern and eco-friendly vision of the space.